<!--
 * @Descripttion: 大屏设计器 -- 预览
 * @Author: Devli
 * @Date: 2021-3-13 11:04:24
 * @Last Modified by:   Raod
 * @Last Modified time: 2022-5-6 11:04:24
 !-->
<template>
  <div class="layout">
    <div :style="bigScreenStyle">
      <widget v-for="(widget, index) in widgets" :key="index" v-model="widget.value" :index="index"
        :type="widget.type" />
    </div>
  </div>
</template>

<script>
import widget from "../designer/widget/temp";
import { detailDashboard } from "@/api/newApi/bigscreen";
export default {
  name: "Login",
  components: {
    widget
  },
  data() {
    return {
      bigScreenStyle: {},
      dashboard: {},
      widgets: []
    };
  },
  mounted() {
    
    // this.getData();
    console.log(this.$route.query.widgets);
    // 判断是从哪个位置进入的预览
    if (this.$route.query.widgets != undefined) {
      this.widgets = JSON.parse(this.$route.query.widgets)
    } else if (this.$route.query.id != undefined) {
      this.getData()
    }
    window.onresize = this.Debounce(this.setScale, 500);
  },
  methods: {
    async getData() {
      const reportCode = this.$route.query.id;
      const { code, data } = await detailDashboard(reportCode);
      if (code != 200) return;
      this.dashboard = data.dashboard || {};
      const equipment = document.body.clientWidth;
      const ratioEquipment = equipment / data.dashboard.width;
      this.bigScreenStyle = {
        width: data.dashboard.width + "px",
        height: data.dashboard.height + "px",
        "background-color": data.dashboard.backgroundColor,
        "background-image": "url(" + data.dashboard.backgroundImage + ")",
        "background-position": "0% 0%",
        "background-size": "100% 100%",
        "background-repeat": "initial",
        "background-attachment": "initial",
        "background-origin": "initial",
        "background-clip": "initial",
        transform: `scale(${ratioEquipment}, ${ratioEquipment})`,
        "transform-origin": "0 0"
      };
      data.dashboard.widgets.forEach((item, index) => {
        item.value.widgetId = item.value.setup.widgetId
        item.value.widgetCode = item.value.setup.widgetCode
        if (item.value.setup.componentLinkage && item.value.setup.componentLinkage.length) {
          this.$store.commit('SET_ALL_COMPONENT_LINKAGE', {
            index,
            widgetId: item.value.widgetId,
            linkageArr: item.value.setup.componentLinkage
          })
        }
      })
      this.widgets = data.dashboard.widgets;

      // 定时刷新
      if (data.dashboard.refreshSeconds > 0) {
        setTimeout(function () { window.location.reload(); }, data.dashboard.refreshSeconds * 1000);
      }
    },
    Debounce: (fn, t) => {
      const delay = t || 500;
      let timer = null;
      return (...args) => {
        if (timer) {
          clearTimeout(timer);
        }
        const context = this
        timer = setTimeout(() => {
          fn.apply(context, args);
        }, delay);
      }
    },
    setScale() {
      const scale = this.getScale();
      this.bigScreenStyle.transform = 'scale(' + scale.scalex + ',' + scale.scaley + ')'
    },
    getScale() {
      let width = this.dashboard.width;
      let height = this.dashboard.height;
      return {
        scalex: (window.innerWidth) / width,
        scaley: (window.innerHeight) / height,
      }
    },
  }
};
</script>

<style lang="scss">
.layout {
  width: 100%;
  height: 100%;
  text-align: center;
}

.bottom-text {
  width: 100%;
  color: #a0a0a0;
  position: fixed;
  bottom: 16px;
  z-index: 9999;
}
</style>
